/Engine/Source/Runtime/SlateCore/Public/Rendering/DrawElementTypes.h
static void MakeCustomVerts ( [FSlateWindowElementList](API\Runtime\SlateCore\Rendering\FSlateWindowElementList) & ElementList, uint32 InLayer, const [FSlateResourceHandle](API\Runtime\SlateCore\Rendering\FSlateResourceHandle) & InRenderResourceHandle, const [TArray](API\Runtime\Core\Containers\TArray)< [FSlateVertex](API\Runtime\SlateCore\Rendering\FSlateVertex) > & InVerts, const [TArray](API\Runtime\Core\Containers\TArray)< SlateIndex > & InIndexes, [ISlateUpdatableInstanceBuffer](API\Runtime\SlateCore\Rendering\ISlateUpdatableInstanceBuffer) * InInstanceData, uint32 InInstanceOffset, uint32 InNumInstances, ESlateDrawEffect InDrawEffects )